Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
trung cua » truong cua, trung tuan, trung cap
chu tinh » chau tinh, chua tinh, cuu tinh
tang cua » mang cua, hang cua, tang luan
cong tan » cong tac, cong san, cong thanh
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan tap
ho chu » hoi chu, cho chu, ho chua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chu tinh - hanh ((trung cua) or (tang cua)) thong cong tan ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chu tinh - hanh ((trung cua) OR (tang cua)) thong cong tan ((toan tai) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho chu tinh - hanh ((trung cua) or (tang cua)) thong cong tan ((toan tai) or (toan cao))*.